dvb_cademux.h

我国有线电视条件接受标准目前还没有统一

#ifndef _DVB_CA_DEMUX_H_
#define _DVB_CA_DEMUX_H_

#define MAX_FILTER_LEN	12
#define MAX_FILTER_NUM	5
typedef enum _EN_DEMUX_ERROR
{
	DEMUX_WAIT = 1,
	DEMUX_SUCCESS = 0,
	DEMUX_ERROR = -1,
}EN_DEMUX_ERROR;

typedef enum _EN_POLLING_STATE
{
	POLLING_HEADER = 0,
	POLLING_BODY,
	MAX_POLLING_STATE,
}EN_POLLING_STATE;

typedef struct _ST_CA_DEMUX
{
	INT32  iChannelIndex;
	UINT16 usPid;
	UINT16 usSectionLen;
	UINT16 usBufferLen;
	UINT16 usMaxBufferLen;
	UINT16 usMaxSectionLen;
	UINT8 *pucDemuxBuffer;
	UINT8 ucType;
	UINT8 ucPollingState;
	UINT8 ucNoCrc;
	UINT8 ucFilterNum;
	UINT8 ucFilterLen[MAX_FILTER_NUM];
	UINT8 ucMatch[MAX_FILTER_NUM][MAX_FILTER_LEN];
	UINT8 ucMask[MAX_FILTER_NUM][MAX_FILTER_LEN];
	UINT8 ucNegate[MAX_FILTER_NUM][MAX_FILTER_LEN];
}ST_CA_DEMUX;

void DVB_CAOpenChannel(ST_CA_DEMUX *pstDemux);
void DVB_CACloseChannel(ST_CA_DEMUX *pstDemux);
int DVB_CADemuxReadSection(ST_CA_DEMUX *pstDemux);

#endif